28916315 - 521663 6564165 + 2631 2964 / 2 = 45454 * 36263
28 916 315 - 521 663 = 28 394 652 6 564 165 + 2 631 = 6 561 534 2964 : 2 = 1482 45 454 * 36 263 = 1 648 298 402
28916315-521 663=28394652 6564165+2631=6561534 2964:2=1482 45454*36 263=1648298402